Standard grade 1 and grade 2 is given in the precision and accuracyof maximum allowable values, see diagram to explain the specific standard error.
标准中给出了1级和2级精密度和准确度的最大允许值，误差的图解说明具体见标准。
2
The prototype series shows that its accuracy and performance have basically reached or exceeded the grade one standards issued by the Ministry of Machinery.
样机系列表明，其精度和性能基本达到和部分指标超过（国家）部颁一级精度的标准。
3
The accuracygradeof novel HVEM must be defined by integrated error calibration system.